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olganol [36]
3 years ago
15

What is the cost of 1.25kg of cheese at $16 per kilogram?

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0

Answer:

$20

Step-by-step explanation:

1.25 x $16 = $20

multiply the weight by the price per weight unit (kg).

olganol [36]3 years ago
3 0

Answer: 20

Step-by-step explanation: 16 x 1.25

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If g(x)= square root of 3-5x, find the domain of g'(x).
BaLLatris [955]

Answer:

domain: x>3/5

Step-by-step explanation:

First we need to derive our function g(x) to get a new function g'(x)

To do this we will have to apply chain rule because we have an inner and outer functions.

Our G(x) = square root(3-5x)

Chain rule formula states that: d/dx(g(f(x)) = g'(f(x))f'(x)

where d/dx(g(f(x)) = g'(x)

g(x) is the outer function which is x^1/2

f(x) is our inner function which is 3-5x

therefore f'(x)= 1/2x^(-1/2) and f'(x) = -5

g'(f(x)) = -1/2(3-5x)^(-1/2)

Applying chain rule then g'(x) = 1/2 (3-5x)^(-/1/2)*(-5)

But the domain is the values of x where the function g'(x) is not defined

In this case it will be 3-5x > 0, because 3-5x is a denominator and anything divide by zero is infinity/undefined

which gives us x >3/5

5 0
3 years ago
Read 2 more answers
What is the value of variable for -4(y - 2) = 12<br> Explain please
Scrat [10]

Answer:

-4(y - 2) = 12

Standard form:

−4y − 4 = 0

Factorization:

−4(y + 1) = 0

Solutions:

y = −4

4

= −1

Step-by-step explanation:

7 0
3 years ago
Draw and label a tape diagram to represent the following (choose two to do):
Aloiza [94]

Answer:

ask ur teacher

Step-by-step explanation:

6 0
2 years ago
Tom is mailing packages. Each small package costs him $3.30 to send. Each large package costs him $4.30 . How much will it cost
Kazeer [188]
3.30 x 5 = 16.50
4.30 x 7 = 30.10
30.10 + 16.50 = $46.60
8 0
3 years ago
5 to the 4 power and 2
stepladder [879]

Answer:

627

Step-by-step explanation:

5 {}^{4}  + 2 = 627

6 0
3 years ago
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